Multiple Choice
What mineral particles are the dominant coloring agents in reddish, brownish, and yellowish soils?
A) dust- sized grains of iron oxides
B) humus and calcium carbonate
C) soluble potassium and sodium bicarbonates
D) very fine- sized, silica and calcite particles
Correct Answer:
Verified
Correct Answer:
Verified
Q15: Which one of the following statements concerning
Q16: Which of the following best describes sets
Q17: What term refers to removal of soluble
Q18: Which of the following statements concerning humus
Q19: What two factors speed up rates of
Q21: From the land surface downward to the
Q22: What term describes the layer of partly
Q23: Clay minerals, silica (SiO2), and dissolved potassium
Q25: Which of the following is/are most susceptible
Q122: Which term denotes the true soil above